Question

(a) Write down the modal class.
(1)
(b) Complete the table and use interpolation to estimate the value of the median.
(5)
Given that sigma fx = 1780 and sigma fx2 = 114225,
(c) find the mean, variance and the standard deviation.

Answer 1

Answer:

oh i tried very hard to do it but i couldnt Im sorry

Step-by-step explanation: